Baimei Kagan Cooloon

Baimei Kagan Cooloon (died 745), also known as Ashina Gulongfu, Baimei Kehan, or Gulongfu, was the last khan of the Gokturk Khaganate.

Biography
Baimei Kagan Cooloon was the last khan of the Gokturk Khaganate, which had been previously annihilated by Khan Qutlugh I of Mongolia when he rebelled in 744 and created the Uyghur Khaganate. Qutlugh led an army to crush him in 745, and after he was killed, Qutlugh ordered to send his head to the Emperor of the Tang dynasty in Chang'an. The Emperor generously thanked him, and for the next two years Uyghur power expanded, although not as big as the Gokturks were.